Home / 258,732,998.73-387,480,792.54-149,226,175.44

Finding the Fourth Proportional to 258,732,998.73, 387,480,792.54 and 149,226,175.44

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Solution

The fourth proportional to 258,732,998.73, 387,480,792.54 and 149,226,175.44 is: 223,482,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,732,998.73 : 387,480,792.54 = 149,226,175.44 : x
  2. Step 2: Convert to fraction form
    258,732,998.73/387,480,792.54 = 149,226,175.44/x
  3. Step 3: Cross multiply
    258,732,998.73x = 387,480,792.54 × 149,226,175.44
  4. Step 4: Simplify right side
    258,732,998.73x = 57,822,276,727,204,288
  5. Step 5: Solve for x
    x = 57,822,276,727,204,288/258,732,998.73
  6. Step 6: Final answer
    x = 223,482,420.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.